SimpleClockEnglish: Difference between revisions
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The SimpleClock is a 4-digit digital clock using an absolute minimum of components. The display consists of 58 red LEDs (2 per segment), connected to an 8-pin ATtiny13 microcontroller using a technique called "CharliePlexing Plus", explained in [https://cpldcpu.wordpress.com/2015/05/24/plexingplus/ Tim's Blog]. | |||
The mains frequency is used as a time base, hence an AC-AC adapter (transformer) is required to power the clock. If a DC source is used, the time will stand still and the colon won't flash. | |||
Revision as of 15:38, 27 December 2018
project overview  | |
| |
| Year | 2018 |
| Number of pixels | 58 |
| Grayscales / Colors | 2 |
| Illuminant | rectangular LEDs |
| Power input | |
| Contact person | Arne Rossius |
| Project website | |
The SimpleClock is a 4-digit digital clock using an absolute minimum of components. The display consists of 58 red LEDs (2 per segment), connected to an 8-pin ATtiny13 microcontroller using a technique called "CharliePlexing Plus", explained in Tim's Blog.
The mains frequency is used as a time base, hence an AC-AC adapter (transformer) is required to power the clock. If a DC source is used, the time will stand still and the colon won't flash.
